SMTPBeamer · The Mail Server

v3.59 2021-02-16

  • New: Web V4: Bootstrap 5, Calendar, Tasks, Contacts
  • New: Support to purge Spam folder after xx days
  • New: Support to purge Trash folder after xx days
  • New: Support to limit size of mailbox
  • New: Prevent IFraming of Web (InboundHTTPIFraming=False)
  • New: Logon using Email (EMailAsAuth=True)
  • New: Support for Auto-Submitted header in out-of-office message
  • New: Caching of IMAP FETCH
  • New: Support for RFC 3516 - IMAP4 Binary
  • New: Support for RFC 7162 - IMAP4 CONDSTORE
  • New: Support for RFC 4731 - IMAP4 ESEARCH
  • New: Support for RFC 5258 - IMAP4 LIST Extensions
  • New: Support for RFC 2342 - IMAP4 Namespace
  • New: Support for RFC 5182 - IMAP4 Last SEARCH Result
  • New: Support for RFC 5802 - IMAP/SMTP/POP3 SCRAM-SHA-1
  • New: Support for RFC 7677 - IMAP/SMTP/POP3 SCRAM-SHA-256 / SCRAM-SHA-512
  • Chg: Deprecated IMAP \Recent Flag
  • Chg: OpenSSL updated to v3.0.1
  • Chg: TLS RC4-MD5 and RC4-SHA is no longer supported
  • Chg: Windows 2000 is no longer supported
  • Fix: Support for HTTP/2 and ALPN (TLSServALPNHTTP2=True)
  • Fix: Wrong limit for size of mailbox
  • Fix: Announce inbound SMTP authentication in SMTPS
  • Fix: IMAP RENAME with LSUB in Thunderbird and Outlook

v3.58 2021-02-09

  • New: Support for CalDAV and CardDAV (Calender and Contacts)
  • New: IMAP message upload (APPEND) limited to 512MB
  • New: Web V3: Responsive design using Bootstrap 4
  • New: Web V3: Full integration of tinyMCE 5 (local and CDN)
  • New: Web V3: Selection of multiple attachments
  • New: Web V3: Reply and forward enclose original attachment settable on each message
  • New: Web V3: URLs are still valid after a restart
  • New: Web V3: Support for HSTS
  • New: Support for restart.sig
  • Chg: HTTP Authentication Basic and Digest are optional (InboundHTTPBasic=True, InboundHTTPDigest=True)
  • Chg: OpenSSL updated to v1.1.1i
  • Fix: POP3 mailbox is created when a messages arrived before a POP3 logon
  • Fix: Stalling of large Uploads using HTTP/2

v3.57 2020-02-03

  • New: Support for RFC 8437 IMAP UNAUTHENTICATE Extension
  • New: Support for RFC 8514 IMAP SAVEDATE Extension
  • Chg: Terminate with ESCAPE and SPACE when running as a console application
  • Chg: OpenSSL updated to v1.1.1d
  • Fix: IMAP is now off by default when using the wizard
  • Fix: LOGIN mit Space in User oder Pass
  • Fix: FQDN when bound to a specific IPv6 address
  • Fix: IMAP automatically recover from redundant .uid files

v3.56 2019-02-03

  • New: Support for IMAP
  • New: Support for IPv6 (InboundSMTPIPv6=True OutboundSMTPIPv6=True)
  • New: Support for RFC 6530 Email Address Internationalization (EAI)
  • New: HTTP Digest Authentication
  • New: POP and SMTP NTLMv2 Authentication
  • New: HTTP NTLM/NTLMv2 Authentication (InboundHTTPNTLM=True)
  • New: Port 465 SMTPS for MSA (message submission agent)
  • New: Support for RFC 8446 TLS 1.3
  • New: Detect and use IPv6 DNS server
  • New: Support for HTTP/2 and ALPN (TLSServALPNHTTP2=True)
  • Chg: Send DNS ORCPT only when different from the SMTP address
  • Chg: DSN is a RFC 3462 and RFC 3464 conforming MIME multipart/report
  • Chg: Prefer POP3/IMAP/SMTP Authentication by strenght (NTLMv2/NTLM2/NTLM/LM/CRAM-MD5/APOP/PLAIN)
  • Chg: disable default BCC of every non-delivery-report to postmaster
  • Chg: OpenSSL updated to v1.1.1a

v3.55 2018-02-17

  • New: Support for HTTP/1.0
  • Chg: TLS as server enforce highest possible cipher (needed to get an A at
  • Chg: OpenSSL updated to v1.1.0g

v3.54 2017-02-27

  • New: For DNS query in IPv6 environment use two queries rather than one, e.g. A and AAAA instead of ALL (DNSQueryTweak=False)
  • New: Logfile shows the response of Exchange
  • New: Support for Via header line
  • New: Adaptation for Windows 2016 and Windows 10
  • Chg: OpenSSL updated to v1.1.0e
  • Chg: SSLv2 and SSLv3 is no longer supported
  • Chg: RC4-MD5 and RC4-SHA is no longer supported for inbound connections
  • Fix: HTTP on port 80 requested TLS
  • Fix: Close connection when an HTTP/1.0 client like WGET demands it
  • Fix: MBAdmin wrote INI in wrong directory after a common dialog changed the current directory
  • Fix: INI entry with a semicolon in a quoted string
  • Fix: Certificate files in combo list
  • Fix: CERT directory was not created at startup

v3.53 2016-01-22

  • New: Support for RFC 7505 - Null MX for Domains That Accept No Mail
  • Chg: Enhanced Status Codes updated to match RFC 7372
  • Chg: OpenSSL updated to v1.0.2e
  • Fix: SMTP Forward with forwarded e-mail address already in the list of recipients
  • Fix: non-standard SMTP port for MX resolved host

v3.52 2015-02-04

  • New: Announce inbound SMTP authentication only after TLS is established (InboundSMTPAuthTLS=True)
  • New: Support for Server Name Indication (SNI)
  • New: Inbound HTTP supports HTTP/1.1 and Connection: keep-alive
  • New: Adaptation for Windows 10
  • New: Support for Public Suffic List (
  • Chg: zLib updated to v1.2.8
  • Chg: OpenSSL updated to v1.0.1j
  • Fix: OpenSSL CVE-2014-0160 (
  • Fix: Checkbox for purging statistic files

v3.51 2014-02-22

  • New: Web interface automatic resize of the inbox message preview page (provided by GH)
  • Chg: Disable QuickEdit-Mode when running as a console application
  • Chg: Ignore IPv6 MX record when IPv6 is not enabled
  • Chg: Enhanced TLS peer certificate verification removed (OutboundSMTPTLSVerify=True)
  • Chg: OpenSSL updated to v1.0.1f
  • Fix: POP3 TLS download with GMail
  • Fix: Fix: SMTP AUTH PLAIN for some versions of Android

v3.50 2013-01-15

  • Fix: Disable TLS/SSL cipher DES-CBC-SHA
  • Fix: Virus scanner in a directory with an Umlaut
  • Fix: TLS with more than one intermediate certificate shows wrong status

v3.49 2012-08-06

  • New: Compiled with ASLR (address space randomization) and NX (no execution)
  • New: Enhanced TLS peer certificate verification (OutboundSMTPTLSVerify=True)
  • New: Support for Online Certificate Status Protocol (OCSP)
  • Chg: Port for smart host is now SmartHostPort=25 an no longer SMTPOutboundPort=25
  • Chg: Removed announcement for NTLM AUTH for POP3 and SMTP clients
  • Chg: OpenSSL updated to v1.0.1c
  • Chg: Outbound TLS connection use TLSv1, omit SSLv2, and reconnect with SSLv3 when TLSv1 fails
  • Fix: Received line without the For clause for local messages
  • Fix: Optimized HTML inbox with a lot of messages
  • Fix: Verbose TLS with inbound HTTP and POP3
  • Fix: Faster accepting inbound connections
  • Fix: SMTP EHLO/HELO is equal to RSET
  • Fix: Unnecessary restart when timezone changes
  • Fix: Very large attachment filled with ASCII zeros takes a long time to decode
  • Fix: FQDN on a machine with more than one IP address

v3.48 2011-06-23

  • New: Support for POP3 STLS
  • New: Bind inbound SMTP to several IP addresses or ports (SMTPIPAddress2=xxxx:yyy)
  • New: Timeout of 10 minutes for on-demand virus scanner (VirusScannerTimeout=10000)
  • New: TLS information shows the algorithm and bits of the public certificate
  • Chg: Graceful shutdown with CTRL_CLOSE_EVENT in Windows 7/2008
  • Chg: OpenSSL updated to v1.0.0a
  • Chg: Authenticated user bypasses spam checking
  • Fix: DNS query for smart host and static route used wrong name server
  • Fix: POP3 announced AUTH NTLM even when NTLM was disabled
  • Fix: DSN for persistent temporary failure had a status field of 5.x.x rather then 4.x.x.
  • Fix: Parsing a very long Content-Type: header line

v3.47 2010-08-17

  • New: SMTP with SSL/TLS on port 465 ( as smart host)
  • New: Switches for ClamAV virus scanner
  • New: Delay after some failed inbound SMTP logon
  • Chg: Update switches for McAfee Command Line Scanner v6.x
  • Chg: Updated e-mail address parser for RFC 3696, RFC 5321 and RFC 5322
  • Chg: In a TLS session the whole certificate chain is sent to the client
  • Chg: Web: message list view highlights the current column
  • Fix: POP3 TOP command had invalid timeout value
  • Fix: DNS client id validation

v3.46 2010-01-20

  • New: non-delivery report shows the announced ESMTP SIZE
  • New: Support for RFC 2319 - Ukrainian Character Set KOI8-U
  • New: Disable TLS/SSL weak cipher (TLSServOmitWeakCipher=True, TLSClientOmitWeakCipher=True)
  • Fix: parenthesis in Received: header line
  • Fix: MSG-OUT and MSG-IN directory are created even when ChkDsk changed them to a file
  • Fix: SSLv2 security flaw (SSLv2 is still in place or else SSLv3/SSLv2 clients can't auto-negotiate)
  • Chg: Default codepage from UTF-7 to UTF-8 because some free mailer don't support UTF-7
  • Chg: DNS queries use udp rather then tcp
  • Chg: Timeout for DATA set to the values of RFC 5321
  • Chg: Using Microsoft VCC rather then Watcom for 32bit application
  • Chg: In 64bit SMTPBeamer, MBAdmin is now a native 64bit application

v3.45 2009-03-18

  • Chg: Plain text part is added to a web based HTML message
  • Fix: out-of-office message initiated from the web interface as HTML message had no body
  • Fix: Malformed DNS packet causes a crash in rare situations

v3.44 2009-02-20

  • New: Warning when ini is read-only or no read-write ACL
  • Chg: UAC is requireAdministrator for MBSever.exe and highestAvailable for MBAdmin.exe
  • Chg: Authenticated POP3 clients are no longer checked against SLS/RBL
  • Fix: ESMTP PIPELINING with several RCPT TO and all of them get a different error
  • Fix: POP3 NOOP counter reset on every RETR or DELE because clients that sends NOOP between each message can't download a lot of messages in one session
  • Fix: Deleting of several messages when the POP3 client sends the QUIT command
  • Fix: Domain translation didn't work as expected
  • Fix: Manifest and UAC elevation also for MBServer.exe
  • Fix: ESMTP AUTH LOGIN with Microsoft .NET Framework (Namespace System.Net.Mail)

v3.43 2008-05-15

  • ew: Force the application to run in Admin Approval Mode when UAC (User Account Control) is enabled in Vista or Windows 2008
  • New: User can change loccal POP3 password via web page
  • New: POP3 password can be stored in the database without encoding
  • New: Web: New style using new HTML templates (for the old templates see
  • New: Web: compose message using a java editor (View->Options->Web)
  • New: Web: use HTML format for message preview (View->Options->Web)
  • New: Web: delete message from the main message list
  • New: Web: on forward include attachments from the original message (View->Options->Web)
  • New: Web: on forward and reply append the original message without indenting the line (View->Options->Web)
  • Chg: Web: codepage changed from ISO-8859-1 to UTF-8
  • Chg: Web: date format uses long format
  • Chg: Web: logging is now less verbose (View->Options->Web)
  • Chg: By default SMTPBeamer uses DNS rather then a Smart Host for outgoing SMTP messages
  • Chg: Reject e-mail to a non-existing recipient during the SMTP session
  • Fix: SMTP greeting delay removed

v3.42 2007-07-05

  • Chg: Send and receive functions optimized
  • Chg: Delivery Status information is added to the text part of a failed DSN (non-delivery report)
  • Chg: Immediately send a non-delivery report when the recipient domain does not have a MX or A record
  • Chg: SMTPBeamer no longer uses the system TEMP directory,
  • SMTPBeamer creates a temp directory below the SMTPBeamer directory
  • Fix: a TLS outgoing connection was not terminated when
  • the other side dropped the TLS in the middle of a session
  • New: Better support for x64 operating systems
  • New: XWall supports RAR archives the same way as ZIP archives (unrar.dll is needed)
  • New: Exe are now digitally signed

v3.41 2006-05-03

  • New: POP3 and HTTP server with TLS / SSL support (View->Options->TLS / SSL)
  • Fix: Original-Envelope-Id in DSN

v3.40 2005-12-05

  • New: Parsing of invalid Outlook addresses like "" <''>

v3.39 2005-08-03

  • Chg: SMTPBeamer verifies the TLS/SLL certificate at startup and disables TLS/SSL when the certificate is not valid

v3.38 2005-02-10

  • Fix: Decoding of plus sign in DSN ORCPT
  • Fix: Recipients server returns 4xx and 5xx and 2xx status in one SMTP session
  • Fix: Removed the dot at the end of a TMP file, because Sophos 3.29 can't find such a file
  • New: The demo version sends a message to postmaster before it expires
  • New: Context specific help for the option menu

v3.37 2004-09-15

  • Fix: MBAdmin crashed when the history directory was changed
  • Fix: RFC822 deep counting of a message
  • Fix: Killer messages which have ASCII codes in the message id are
  • not properly sent to a POP3 client
  • Fix: Bare LF are removed while coping the message into the POP3 mailbox
  • New: Support for KS_C_5601-1987(Korean) message decoding
  • New: Added /ARCHIVE to the default switches for F-Prot

v3.36 2004-02-05

  • Fix: POP3 client timed out using the TOP command
  • Chg: Relaying is disabled by default
  • Chg: Static route for a specific e-mail domain has now an optional port
  • New: Using a honeypot for mailers that use the AUTH command to probe for valid users
  • New: Option to purge old statistic files
  • New: Directory for the history files can be changed
  • New: Option to purge old history files

v3.35 2003-10-03

  • Fix: Delete the temp file after a compressed pop3 download
  • Fix: Lost Outbound SMTP authentication password when other settings where changed
  • Fix: HTTP logon with space in the user name
  • Chg: Workaround for Verisign Sitefinder service which
  • captures all non-existing .com and .net domains and
  • breaks the verification of non-existing domains
  • Chg: SMTPBeamer ignores IP addresses that point to a top level wildcard A record
  • Chg: The IP address that a SLS/RBL returns must be
  • 127.0.0.x or 127.1.0.x or else it will be ignored
  • (in some configuration the name server did not work in the past and
  • now due to Verisign Sitefinder service it now returns an ip address for every host)

v3.34 2003-06-04

  • Chg: Domain responsibility can now be set in MBAdmin
  • Chg: Messages in the history folder are now longer byte stuffed
  • New: MBAdmin does not longer overwrite smtpbeam.ini
  • when the file was changed manually or through MBServer

v3.33 2003-03-28

  • Fix: SLS was not always correctly blocking the message
  • Fix: Encoding BIG5 messages a temp file was not deleted
  • Fix: Decoding of quoted printable pdf files sent by Exchange 5.5
  • Chg: The SMTP HELO and the greeting shows the name of the IP address to which SMTPBeamer is bound to and not the main machine name
  • Chg: Decoding of a filename which is longer than 256 bytes
  • Chg: SMTPBeamer will not longer send to a domain where the MX record point to localhost
  • Chg: SMTPBeamer no longer uses an authoritative name server answer
  • to detect if a domain is not existing
  • Chg: SMTPBeamer no longer supports the old file based registration method
  • New: Outbound SMTP authentication
  • New: SSL/TLS SMTP encryption
  • New: Support for 8BITMIME (RFC 1652)
  • New: Decoding of yEnc, Deflate-8bit and Deflate-Base64
  • New: SMTPBeamer stops processing messages when the disk has less then 20MB free space
  • New: Checking the responsibility of a domain using the name server can now disabled

v3.32 2002-12-04

  • Fix: In a non-delivery report the header and the body text was sent back
  • rather than only the header
  • Fix: Contacted the authoritative name server of a domain
  • even when the local name server provided an authoritative answer
  • Fix: Decoding of Big5 HTML messages
  • Fix: Typo in a delivery status notification
  • Chg: SMTPBeamer allows a CNAME as an MX records;
  • this is prohibited by RFC 1713 and 2181, but a lot of sites use it
  • New: Check of the name server at startup to make sure it is working
  • New: Support for ISO-2022-JP (Japanese Characters)
  • New: /PROGRAM as argument for McAfee scanner

v3.31 2002-08-09

  • Changed the handling of a SSL/TLS connection when the
  • target host has no CN (common name)
  • Changed the way the POP3 UIDL is calculated (some clients like a unique UIDL)
  • Added support for nested digest messages
  • Added the option to define the temp path without changing the TEMP environment variable
  • Added the IP address to the message that will be shown to the
  • sending server when blocked by MAPS/SLS

v3.30 2002-05-03

  • Fixed HELO when ESMTP is disabled
  • Fixed deleting of the xxxx.tmp files after a invalid BDAT transfer
  • Fixed Return-Path header line when DSN NOTIFY=NEVER is used

v3.29 2002-02-27

  • Fixed the announcement of authentication in inbound ESMTP
  • Fixed disabling of CAPA command
  • Fixed the multiply host name announcement in ETRN
  • Fixed auto detect of dns server when running under a user account
  • Added diagnostic logging for the virus scanner
  • Added support for virus scanning in the EML message format
  • Added support for SSL / TLS encryption

v3.28 2001-11-29

  • Fixed a problem with reply all in HTTP
  • Fixed detection of Aliz virus
  • Added the option to notify the postmaster in the case a new program version is available
  • Added the option to perform an online check for a new program version
  • Added the option to send echo messages
  • Added the option to send out-of-office messages
  • Added SPA (Secure Password Authentication) in POP3 for Outlook Express

v3.27 2001-10-18

  • Changed that the access statistic is disabled by default
  • Changed definition of MAPS, because MAPS is now a pay service
  • Added user defined Spam Lookup Services
  • Added support for Sophos Anti-Virus 3.x

v3.26 2001-08-10

  • Fixed SMTP authentication with servers that announce only AUTH and PLAIN
  • Fixed a problem decoding the attachments of a multipart/related message
  • Changed the default charset for non-deliver-messages from ISO-8859-1 to UTF-7
  • Combined MAPS RBL, DUL and RSS into one lookup
  • Added the option to manually define spam dns lookup services

v3.25 2001-06-07

  • Fixed decoding of messages with more than 40000 Content-Type definitions
  • Fixed console screen buffer handling when running on Windows 2000/2003
  • Added a check for an on-access virus scanner, because the scanner will block POPBeamer from accessing its files
  • Added additional checking when reading queued messages from disk

v3.24 2001-05-04

  • Fixed crashing of MBAdmin when a file was missing
  • Fixed detection of Magistr virus
  • Changed the parsing of the header of a message to accept only a blank line
  • with CRLF as end-of-header
  • Added the option to scan embedded TNEF (WINMAIL.DAT) for viruses

v3.23 2001-04-11

  • Changed the logfile to use UTF-8 rather than ASCII
  • Changed the .dat and .ini files to use ANSI and UTF-8 rather than ASCII
  • Changed the maps blocking to use the new and
  • Fixed translation of full name in web templates
  • Fixed the DNS query for the MX record to stop after the first server in
  • the case a domain has no MX
  • Fixed the DNS query for the MX record to query for an A record even one
  • of the DSN servers is down
  • Added support for messages encoded in UTF-7 and UTF-8
  • Added support for KOI8-R (Russian) and Big5 (Chinese) message decoding
  • Added support for code page 1255 (Hebrew) message decoding
  • Added forward of "postmaster" for each domain unless there is a already a
  • forwarding or a star mailbox

v3.22 2001-02-10

  • Added support for RFC 2554 (SMTP AUTH LOGIN)
  • Added support for RFC 2595 (SMTP AUTH PLAIN)
  • Added support for RFC 2195 (SMTP AUTH CRAM-MD5)
  • Added support for SMTP AUTH NTLM
  • Added support for RFC 1734 (POP3 AUTH)
  • Added support for RFC 2222 (POP3 SASL)
  • Added support for RFC 2195 (POP AUTH CRAM-MD5)
  • Added support for POP3 AUTH NTLM
  • Changed the default SMTP connection limit to 100 concurrent connections
  • Changed the default POP3 connection limit to 10 and 100 concurrent connections

v3.21 2000-12-21

  • Fixed virus scanning with the newer versions of F-PROT
  • Added support for the Return-Path: header line

v3.20 2000-10-27

  • Added a workaround for servers that deny the RSET command
  • Added support for F-PROT 3.x anti-virus scanner
  • Added support for command pipelining (RFC1854)
  • Added support for message chunking (RFC1830)
  • Added support for virus scanning of html pages

v3.19 2000-07-18

  • Added an option to relay messages for authenticated users, which is
  • helpful for roaming users
  • Added support for CHUNKING (RFC 1830)
  • Added complete support for RFC 1891 (Delivers Status Notification)
  • Added signal to send the current logfile to postmaster
  • Added option to purge old logfiles

v3.18 2000-04-27

  • Fixed name server auto detect in Win2000
  • Changed so that messages are copied into the HIST folder when the message
  • arrives (and not when the message is sent)
  • Changed sending of an NDR to an local mailbox without going over the relay server
  • Added Cut, Copy and Paste to MBAdmin so that it should be easier to
  • duplicate a POP3 mailbox
  • Added support for outbound virus scanning

v3.17 2000-02-25

  • Fixed web access when the message has no "From" field
  • Added support for forwarding to a group of addresses and for recursive forwards
  • Added an option of how to handle a virus infected message
  • Added a more verbose logfile when processing a message
  • Added a switch to dump the header of a message to the logfile
  • Added support to limit concurrent connections
  • Changed sorting of messages in http inbox so that the newest message is on top
  • Fixed console screen when running as a interactive service
  • Added workaround for Win2000 which reports an error when shutting down the service
  • Added support for the X-RCPT-TO field in inbound POP3 messages

v3.16 2000-01-08

  • Added a workaround for the invalid http response of an Mac IE 4.5
  • Fixed forwarding of virus infected e-mail to go to

v3.15 1999-12-02

  • Removed Norton Anti Virus from the supported scanner options, because it
  • does not return a proper error level in the newest versions
  • Added check for relaying of reserved IP addresses
  • Added message compression when sending to another SMTPBeamer
  • (30 - 80% depending of the attachments in the message)
  • Fixed DSN to be outbound rather than to inbound

v3.14 1999-09-27

  • Fixed a problem with the authentication checkbox in MBAdmin
  • Fixed a problem local SMTP forwarding from a non existing mailbox
  • Fixed quoting in CSV file
  • Fixed inbound and outbound message size limits
  • Changed the "wake up router" to be a little bit faster in detecting an already open route
  • Added routing for specific e-mail domain to make it easier to use SMTPBeamer
  • as a firewall relay host
  • Added address translation to translate e-mail domains, mailboxes or a complete domain to one single address

v3.13 1999-07-28

  • Fixed a problem with local mailbox when DNS is not responding
  • Fixed a problem with invalid messages from Lotus Notes
  • Changed the checking of duplicate inbound POP3 messages to be on by default
  • Added support for converting an invalid return path to a blank address
  • Added support for RFC 2034 (Enhanced Error Codes)
  • Added support for RFC 1893 (Enhanced Mail System Status Codes)
  • Added support for RFC 1891 (Delivers Status Notification)
  • Added support for user defined delivery status notification (smtpdsn.txt)
  • Added an extra thread for virus scanning

v3.12 1999-05-27

  • Added a switch to allow delivering to original recipient after a SMTP forwarding
  • Added SMTP transcript to NDR messages

v3.11 1999-04-23

  • Added a workaround for accessing the Web interface with IE 5.0
  • Added support for APOP
  • Added support for virus scanning
  • Added support for spam blocking using MAPS DUL (
  • Added support to disable reverse lookup of the IP address. This speeds up connection time when there is not a properly configured DNS is available
  • Fixed reschedule of more than one message to a host when the host timed out
  • Fixed confusing POP3 port settings
  • Removed support for spam blocking using ORBS, because they shut down their service

v3.10 1999-03-22

  • Fixed a bug in Auto Detecting relay
  • Fixed downloading of corrupt messages
  • Added check to make sure CRLF are valid in a POP3 message
  • Added a DNS query to detect local POP3 mailbox(es)

v3.09 1999-01-30

  • Fixed a problem when starting with a wrong configuration
  • Changed the way a connect is done so that it does not take 5 minutes to find&
  • out that a host is not responding
  • Changed POP3 greeting so that Mac clients are less confused
  • Changed the startup of the threads so that connections are refused when the configuration is not valid
  • Added a workaround for a configuration bug in some QPOP POP3 servers
  • Added support for the VRFY command
  • Added a access statistics for each mailbox
  • Added skipping of bad POP3 messages which are not downloadable
  • Added support for all auto detected name servers

v3.08 1998-12-01

  • Added support for Resent-To: and Apparently-To: in inbound POP3 with auto detect
  • Added support to directly deliver messages for local users
  • Added support to signal MBServer that it should immediately collect and send messages
  • (please read the section Helper Programs for documentation and a complete description)
  • Added auto detection of name server
  • Added a logoff page (logoff.htm) for the Web interface to force the browser to
  • close the session

v3.07 1998-10-26

  • Added support for user message size limit
  • Added support for spam blocking using ORBS
  • Added support for Auto Detect e-mail address in inbound POP3
  • Added support for discarding duplicate e-mail in inbound POP3 routing based
  • on identical message ID

v3.06 1998-09-03

  • Fixed a bug in setting the size of outgoing messages in MBAdmin
  • Added support to relay only from specific hosts
  • Added support for spam blocking using MAPS RBL (
  • Added support for star domain
  • Added AUTH=LOGIN for inbound SMTP
  • Added sending of uploading an attachment via Web connector (changed s_msg.htm)
  • Added support for ISO-8859-3, ISO-8859-5, ISO-8859-7 and ISO-8859-9
  • Added a third digit for the thread number
  • Added support for saving inbound SMTP message to HIST-IN folder

v3.05 1998-07-07

  • Fixed the problem that a POP3 server sends blanks before the result code
  • Fixed deletion of temp files in POP3 sessions
  • Changed MBAdmin so that deleted database records will not be reused
  • Added SOCKS support
  • Added wake up for dialup router

v3.04 1998-05-16

  • Released
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Changed: 2022-02-16
Copyright ©1991-2022 DataEnter GmbH
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